<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
import router from '@/router'
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false)
//定义数据模型
const registerData = ref({
    username: '',
    password: '',
    repassword: ''
})
const loginData = ref({
    username: '',
    password: ''
})

//校验密码的函数
const checkRePassword = (rule, value, callback) => {
    if (value === '') {
        callback(new Error('请再次确认密码'))
    } else if (value !== registerData.value.password) {
        callback(new Error('请确保两次输入的密码一样'))
    } else {
        callback()
    }
}

//定义表单校验规则
const rules = {
    username: [
        { required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 16, message: '长度为3~16位非空字符', trigger: 'blur' }
    ],
    password: [
        { required: true, message: '请输入密码', trigger: 'blur' },
        { min: 4, max: 16, message: '长度为4~16位非空字符', trigger: 'blur' }
    ],
    rePassword: [
        { validator: checkRePassword, trigger: 'blur' }
    ]
}


const clearRegisterData = ()=>{
    registerData.value={
        username:'',
        password:'',
        reassword:''
    }
}

import { userRegisterService, userLoginService} from '@/api/user.js'
//注册
const register = async () => {
    let result = await userRegisterService(registerData.value);
    ElMessage.success(result.message ? result.message : '注册成功')
}

//登录
const login = async () => {
    let result = await userLoginService(loginData.value);
    ElMessage.success(result.message ? result.message : '登录成功')
    router.push('/data-screen')
}
</script>

<template>
  <el-row class="login-page">
        <el-col :span="15" class="bg"></el-col>
        <el-col :span="6" :offset="2" class="form">
            <div class="welcome-title">
                <h1>欢迎使用智慧大棚可视化平台</h1>
            </div>
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
                <el-form-item>
                    <h2>注册</h2>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码"
                        v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item prop="repassword">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码"
                        v-model="registerData.repassword"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="register">
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false;clearRegisterData()">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-else :model="loginData" :rules="rules">
                <el-form-item>
                    <h2>登录</h2>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="loginData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="loginData.password"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-link type="primary" :underline="false">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true;clearRegisterData()">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row> 
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
    height: 100vh;
    background-color: hwb(199 2% 1% / 0.041);

    .bg {
        background: url('@/assets/img.png') no-repeat center / cover,

    }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;
    padding: 20px;
    border-radius: 8px;

    .welcome-title {
      text-align: center;
      margin-bottom: 20px;
    }

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>